The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 01, 1977
Filed:
Mar. 17, 1975
Applicant:
Inventors:
Alan Frank Higginbotham, Austin, TX (US);
Kenneth Layton Jeffries, Austin, TX (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03B / ;
U.S. Cl.
CPC ...
3311 / ; 331168 ;
Abstract
A low distortion sinusoidal oscillator made up of a two transistor negative resistance element combined with an LC tank for generating bias and erase signals for battery powered magnetic media recording apparatus.
Higginbotham, Alan. (1977). Bias/erase oscillator (U.S. Patent No. 4006433). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4006433
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile